Home / 4,923.90-7,386.19-1,413.64

Finding the Fourth Proportional to 4,923.90, 7,386.19 and 1,413.64

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Solution

The fourth proportional to 4,923.90, 7,386.19 and 1,413.64 is: 2,120.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923.90 : 7,386.19 = 1,413.64 : x
  2. Step 2: Convert to fraction form
    4,923.90/7,386.19 = 1,413.64/x
  3. Step 3: Cross multiply
    4,923.90x = 7,386.19 × 1,413.64
  4. Step 4: Simplify right side
    4,923.90x = 10,441,426.40
  5. Step 5: Solve for x
    x = 10,441,426.40/4,923.90
  6. Step 6: Final answer
    x = 2,120.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.